package com.sky.service.impl;

import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.sky.constant.MessageConstant;
import com.sky.constant.StatusConstant;
import com.sky.context.BaseContext;
import com.sky.dto.EmployeeDTO;
import com.sky.dto.EmployeeLoginDTO;
import com.sky.dto.EmployeePageQueryDTO;
import com.sky.entity.Employee;
import com.sky.exception.AccountLockedException;
import com.sky.exception.AccountNotFoundException;
import com.sky.exception.PasswordErrorException;
import com.sky.mapper.EmployeeMapper;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.EmployeeService;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.util.DigestUtils;

import java.time.LocalDateTime;

@Service
public class EmployeeServiceImpl implements EmployeeService {

    @Autowired
    private EmployeeMapper employeeMapper;

    /**
     * 员工登录
     *
     * @param employeeLoginDTO
     * @return
     */
    public Employee login(EmployeeLoginDTO employeeLoginDTO) {
        String username = employeeLoginDTO.getUsername();
        String password = employeeLoginDTO.getPassword();

        //1、根据用户名查询数据库中的数据
        Employee employee = employeeMapper.getByUsername(username);

        //2、处理各种异常情况（用户名不存在、密码不对、账号被锁定）
        if (employee == null) {
            //账号不存在
            throw new AccountNotFoundException(MessageConstant.ACCOUNT_NOT_FOUND);
        }

        //密码比对
        // TODO 后期需要进行md5加密，然后再进行比对
        if (!password.equals(employee.getPassword())) {
            //密码错误
            throw new PasswordErrorException(MessageConstant.PASSWORD_ERROR);
        }

        if (employee.getStatus() == StatusConstant.DISABLE) {
            //账号被锁定
            throw new AccountLockedException(MessageConstant.ACCOUNT_LOCKED);
        }

        //3、返回实体对象
        return employee;
    }

    /**
     * 员工登录
     *
     * @param employeeLoginDTO
     * @return
     */
//    public Employee login(EmployeeLoginDTO employeeLoginDTO) {
//        String name = employeeLoginDTO.getUsername();
//        String password = employeeLoginDTO.getPassword();
//        //根据用户名查询数据库中的数据
//        Employee employee = employeeMapper.getByUsername(name);
//
//        //处理各种异常，用户名不存在、密码不对、账号被锁定
//        // TODO 后期需要进行md5加密，然后再进行比对
//        if (employee == null) {
//            throw new AccountNotFoundException(MessageConstant.ACCOUNT_NOT_FOUND);
//
//        }
//        if (!employee.getPassword().equals(password)) {
//            throw new PasswordErrorException(MessageConstant.PASSWORD_ERROR);
//        }
//        if (employee.getStatus() == StatusConstant.DISABLE) {
//            throw new AccountLockedException(MessageConstant.ACCOUNT_LOCKED);
//        }
//        //返回实体对象
//        return employee;
//
//
//    }

    /**
     * 新增员工
     */

    public void save(EmployeeDTO employeeDTO)
    {
        Employee employee = new Employee();
        BeanUtils.copyProperties(employeeDTO,employee);
        //设置账号状态
        employee.setStatus(StatusConstant.ENABLE);
        //设置密码
        employee.setPassword("123456");
        employee.setCreateTime(LocalDateTime.now());
        employee.setCreateUser(BaseContext.getCurrentId());
        employee.setUpdateTime(LocalDateTime.now());
        employee.setUpdateUser(BaseContext.getCurrentId());
        employeeMapper.insert(employee);

    }

    /**
     * 员工分页查询
     * @param employeePageQuryDTO
     * @return
     */
    public PageResult pageQury(EmployeePageQueryDTO employeePageQuryDTO)
    {
        //分页查询  limit *from employee limit 0,10;第0页，每页十行
        PageHelper.startPage(employeePageQuryDTO.getPage(),employeePageQuryDTO.getPageSize());
        Page<Employee>page=employeeMapper.pageQurey(employeePageQuryDTO);
        return new PageResult(page.getTotal(),page.getResult());
    }

    /**
     *启用禁用员工
     * @param status
     * @param id
     */
    public void startOrStop(Integer status, Long id)
    {
        Employee employee=new Employee();
        employee.setId(id);
        employee.setStatus(status);
        employeeMapper.update(employee);
    }
    /**
     * 根据id查询员工
     * @param id
     * @return
     */
    public Employee getById(Long id)
    {
        Employee employee=employeeMapper.getById(id);
        employee.setPassword("****");
        return employee;
    }

    /**
     * 更新员工
     * @param employeeDTO
     */
    public void update(EmployeeDTO employeeDTO)
    {
        Employee employee = new Employee();
        BeanUtils.copyProperties(employeeDTO,employee);
        employee.setUpdateTime(LocalDateTime.now());
        employee.setUpdateUser(BaseContext.getCurrentId());
        employeeMapper.update(employee);
    }


}
